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Assertion: For two sources to be coheren...

Assertion: For two sources to be coherent phase difference between two waves at all points should be same.
Reason: Two different light sources are never coherent.

A

If both Assertion and Reason are true and the Reason is correct explanation of the Assertion.

B

If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.

C

If Assertion is true, but the Reason is false.

D

If Assertion is false but the Reason is true.

Text Solution

Verified by Experts

The correct Answer is:
D
Phase difference may be different but it should
remain constant with time.
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